72797920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1188

約数の個数: 96

約数和(自身を含む): 191358720

約数和(自身を除く): 118560800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1129, 1240, 1612, 2015, 2080, 2258, 2480, 3224, 4030, 4516, 4960, 5645, 6448, 8060, 9032, 11290, 12896, 14677, 16120, 18064, 22580, 29354, 32240, 34999, 36128, 45160, 58708, 64480, 69998, 73385, 90320, 117416, 139996, 146770, 174995, 180640, 234832, 279992, 293540, 349990, 454987, 469664, 559984, 587080, 699980, 909974, 1119968, 1174160, 1399960, 1819948, 2274935, 2348320, 2799920, 3639896, 4549870, 5599840, 7279792, 9099740, 14559584, 18199480, 36398960, 72797920]

約数ペア:

[(1, 72797920), (2, 36398960), (4, 18199480), (5, 14559584), (8, 9099740), (10, 7279792), (13, 5599840), (16, 4549870), (20, 3639896), (26, 2799920), (31, 2348320), (32, 2274935), (40, 1819948), (52, 1399960), (62, 1174160), (65, 1119968), (80, 909974), (104, 699980), (124, 587080), (130, 559984), (155, 469664), (160, 454987), (208, 349990), (248, 293540), (260, 279992), (310, 234832), (403, 180640), (416, 174995), (496, 146770), (520, 139996), (620, 117416), (806, 90320), (992, 73385), (1040, 69998), (1129, 64480), (1240, 58708), (1612, 45160), (2015, 36128), (2080, 34999), (2258, 32240), (2480, 29354), (3224, 22580), (4030, 18064), (4516, 16120), (4960, 14677), (5645, 12896), (6448, 11290), (8060, 9032)]